<!--
 * @Description:It is troublesome to implement radio button group in the form. So it is extracted independently as a separate component
-->
<template>
  <RadioGroup v-bind="attrs" v-model:value="state" button-style="solid">
    <template v-for="item in getOptions" :key="`${item.value}`">
      <RadioButton
        v-if="props.isBtn"
        :value="item.value"
        :disabled="item.disabled"
        @click="handleClick(item)"
      >
        {{ item.label }}
      </RadioButton>
      <Radio v-else :value="item.value" :disabled="item.disabled" @click="handleClick(item)">
        {{ item.label }}
      </Radio>
    </template>
  </RadioGroup>
</template>
<script lang="ts">
import {defineComponent, type PropType, ref, watchEffect, computed, unref, watch} from 'vue';
import {Radio} from 'ant-design-vue';
import {isFunction} from '/@/utils/is';
import {useRuleFormItem} from '/@/hooks/component/useFormItem';
import {useAttrs} from '@xueyi/hooks';
import {propTypes} from '/@/utils/propTypes';
import {get, omit} from 'lodash-es';
import {useI18n} from '/@/hooks/web/useI18n';

type OptionsItem = { label: string; value: string | number | boolean; disabled?: boolean };

export default defineComponent({
  name: 'ApiRadioGroup',
  components: {
    RadioGroup: Radio.Group,
    RadioButton: Radio.Button,
    Radio,
  },
  props: {
    api: {
      type: Function as PropType<(arg?: any | string) => Promise<OptionsItem[]>>,
      default: null,
    },
    params: {
      type: [Object, String] as PropType<any | string>,
      default: () => ({}),
    },
    value: {
      type: [String, Number, Boolean] as PropType<string | number | boolean>,
    },
    isBtn: {
      type: [Boolean] as PropType<boolean>,
      default: false,
    },
    numberToString: propTypes.bool,
    resultField: propTypes.string.def(''),
    labelField: propTypes.string.def('label'),
    valueField: propTypes.string.def('value'),
    immediate: propTypes.bool.def(true),
  },
  emits: ['options-change', 'change'],
  setup(props, {emit}) {
    const options = ref<OptionsItem[]>([]);
    const loading = ref(false);
    const isFirstLoad = ref(true);
    const emitData = ref<any[]>([]);
    const attrs = useAttrs();
    const {t} = useI18n();
    // Embedded in the form, just use the hook binding to perform form verification
    const [state] = useRuleFormItem(props, 'value', 'change', emitData);

    // Processing options value
    const getOptions = computed(() => {
      const {labelField, valueField, numberToString} = props;

      return unref(options).reduce((prev, next: any) => {
        if (next) {
          const value = next[valueField];
          prev.push({
            label: next[labelField],
            value: numberToString ? `${value}` : value,
            ...omit(next, [labelField, valueField]),
          });
        }
        return prev;
      }, [] as OptionsItem[]);
    });

    watchEffect(() => {
      props.immediate && fetch();
    });

    watch(
      () => props.params,
      () => {
        !unref(isFirstLoad) && fetch();
      },
      {deep: true},
    );

    async function fetch() {
      const api = props.api;
      if (!api || !isFunction(api)) return;
      options.value = [];
      try {
        loading.value = true;
        const res = await api(props.params);
        if (Array.isArray(res)) {
          options.value = res;
          emitChange();
          return;
        }
        if (props.resultField) {
          options.value = get(res, props.resultField) || [];
        }
        emitChange();
      } catch (error) {
        console.warn(error);
      } finally {
        loading.value = false;
      }
    }

    function emitChange() {
      emit('options-change', unref(getOptions));
    }

    function handleClick(...args) {
      emitData.value = args;
    }

    return {state, getOptions, attrs, loading, t, handleClick, props};
  },
});
</script>
